[PATCH] x86: build fix

[Ingo Molnar]

Impact: build fix on certain UP configs

fix:

 arch/x86/kernel/cpu/common.c: In function 'cpu_init':
 arch/x86/kernel/cpu/common.c:1141: error: 'boot_cpu_id' undeclared (first use in this function)
 arch/x86/kernel/cpu/common.c:1141: error: (Each undeclared identifier is reported only once
 arch/x86/kernel/cpu/common.c:1141: error: for each function it appears in.)

Pull in asm/smp.h on UP, so that we get the definition of
boot_cpu_id.

Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
---
 arch/x86/kernel/cpu/common.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 003a653..b9c9ea0 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -20,6 +20,7 @@
 #include <asm/pat.h>
 #include <asm/asm.h>
 #include <asm/numa.h>
+#include <asm/smp.h>
 #ifdef CONFIG_X86_LOCAL_APIC
 #include <asm/mpspec.h>
 #include <asm/apic.h>
--
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